01 About Phosphorus
Essential for DNA and ATP (energy currency of cells). White phosphorus glows in the dark (chemiluminescence) and ignites spontaneously in air.
02 Physical Properties
State at room temperature๐ชจ Solid
Melting point44.2 ยฐC
Boiling point280.5 ยฐC
Density1.82 g/cmยณ
Atomic mass30.974 u
Electron configuration2,8,5
Period / GroupPeriod 3, Group 15
BlockP-block
03 Discovery
Phosphorus was discovered in 1669 by Brand.